/// <summary>
/// Determines if the component requires a target instance for proxying.
/// </summary>
/// <param name="kernel"> The kernel. </param>
/// <param name="model"> The model. </param>
/// <returns> true if an instance is required. </returns>
public override bool RequiresTargetInstance(IKernel kernel, ComponentModel model)
{
var proxyOptions = model.ObtainProxyOptions();
return(model.HasClassServices == false &&
proxyOptions.OmitTarget == false);
}
public override object Create(IKernel kernel, object instance, ComponentModel model,
CreationContext context, params object[] constructorArguments)
{
var channelHolder = instance as IWcfChannelHolder;
if (channelHolder == null)
{
throw new ArgumentException(string.Format("Given instance is not an {0}", typeof(IWcfChannelHolder)), "instance");
}
if (channelHolder.RealProxy == null)
{
return(channelHolder.Channel);
}
if (model.Services.Count() > 1)
{
throw new ArgumentException(string.Format(
"Component {0}, which was designated as a WCF proxy exposes {1} services. The facility currently only supports single-service components.",
model.Name, model.Services.Count()));
}
var isDuplex = IsDuplex(channelHolder.RealProxy);
var proxyOptions = model.ObtainProxyOptions();
var serviceContract = model.GetServiceContract();
var generationOptions = CreateProxyGenerationOptions(serviceContract, proxyOptions, kernel, context);
var additionalInterfaces = GetInterfaces(model.Services, proxyOptions, isDuplex);
var interceptors = GetInterceptors(kernel, model, serviceContract, channelHolder, context);
return(generator.CreateInterfaceProxyWithTarget(typeof(IWcfChannelHolder),
additionalInterfaces, channelHolder, generationOptions, interceptors));
}
public void ConfigureComponentModel(IKernel kernel, ComponentModel model)
{
if (model.HasInterceptors && model.Implementation.IsInterface)
{
var options = model.ObtainProxyOptions();
options.OmitTarget = true;
}
}
private void ConfigureProxyOptions(ComponentModel model)
{
if (controlProxyHook == null)
{
return;
}
var proxyOptions = model.ObtainProxyOptions();
proxyOptions.Hook = controlProxyHook;
}
private static void ApplyProxyBehavior(ComponentProxyBehaviorAttribute behavior, ComponentModel model)
{
var options = model.ObtainProxyOptions();
#if !SILVERLIGHT
if (behavior.UseMarshalByRefProxy)
{
EnsureComponentRegisteredWithInterface(model);
}
options.UseMarshalByRefAsBaseClass = behavior.UseMarshalByRefProxy;
#endif
options.AddAdditionalInterfaces(behavior.AdditionalInterfaces);
}
public void BuildComponentModel(IKernel kernel, ComponentModel model)
{
if (!mixIns.Any())
{
return;
}
var options = model.ObtainProxyOptions();
foreach (var mixIn in mixIns)
{
options.AddMixinReference(mixIn);
}
}
/// <summary>
/// Creates the proxy for the supplied component.
/// </summary>
/// <param name="kernel"> The kernel. </param>
/// <param name="target"> The target. </param>
/// <param name="model"> The model. </param>
/// <param name="constructorArguments"> The constructor arguments. </param>
/// <param name="context"> The creation context </param>
/// <returns> The component proxy. </returns>
public override object Create(IKernel kernel, object target, ComponentModel model, CreationContext context, params object[] constructorArguments)
{
object proxy;
var interceptors = ObtainInterceptors(kernel, model, context);
var proxyOptions = model.ObtainProxyOptions();
var proxyGenOptions = CreateProxyGenerationOptionsFrom(proxyOptions, kernel, context, model);
CustomizeOptions(proxyGenOptions, kernel, model, constructorArguments);
var interfaces = proxyOptions.AdditionalInterfaces;
if (model.HasClassServices == false)
{
var firstService = model.Services.First();
var additionalInterfaces = model.Services.Skip(1).Concat(interfaces).ToArray();
if (proxyOptions.OmitTarget)
{
proxy = generator.CreateInterfaceProxyWithoutTarget(firstService, additionalInterfaces, proxyGenOptions, interceptors);
}
else if (proxyOptions.AllowChangeTarget)
{
proxy = generator.CreateInterfaceProxyWithTargetInterface(firstService, additionalInterfaces, target, proxyGenOptions, interceptors);
}
else
{
proxy = generator.CreateInterfaceProxyWithTarget(firstService, additionalInterfaces, target, proxyGenOptions, interceptors);
}
}
else
{
Type classToProxy;
if (model.Implementation != null && model.Implementation != typeof(LateBoundComponent))
{
classToProxy = model.Implementation;
}
else
{
classToProxy = model.Services.First();
}
var additionalInterfaces = model.Services
.SkipWhile(s => s.GetTypeInfo().IsClass)
.Concat(interfaces)
.ToArray();
proxy = generator.CreateClassProxy(classToProxy, additionalInterfaces, proxyGenOptions, constructorArguments, interceptors);
}
CustomizeProxy(proxy, proxyGenOptions, kernel, model);
ReleaseHook(proxyGenOptions, kernel);
return(proxy);
}
public override object Create(IProxyFactoryExtension customFactory, IKernel kernel, ComponentModel model, CreationContext context,
params object[] constructorArguments)
{
var interceptors = ObtainInterceptors(kernel, model, context);
var proxyOptions = model.ObtainProxyOptions();
var proxyGenOptions = CreateProxyGenerationOptionsFrom(proxyOptions, kernel, context, model);
CustomizeOptions(proxyGenOptions, kernel, model, constructorArguments);
var builder = generator.ProxyBuilder;
var proxy = customFactory.Generate(builder, proxyGenOptions, interceptors, model, context);
CustomizeProxy(proxy, proxyGenOptions, kernel, model);
ReleaseHook(proxyGenOptions, kernel);
return(proxy);
}
public void AddTypedFactoryEntry(FactoryEntry entry)
{
var model = new ComponentModel(new ComponentName(entry.Id, true), new[] { entry.FactoryInterface }, typeof(Empty),
new Arguments().Insert("typed.fac.entry", entry))
{
LifestyleType = LifestyleType.Singleton
};
model.Interceptors.Add(new InterceptorReference(typeof(FactoryInterceptor)));
var proxyOptions = model.ObtainProxyOptions();
proxyOptions.OmitTarget = true;
((IKernelInternal)Kernel).AddCustomComponent(model);
}
private static void ApplyProxyBehavior(ComponentProxyBehaviorAttribute behavior, ComponentModel model)
{
var options = model.ObtainProxyOptions();
#if FEATURE_REMOTING
if (behavior.UseMarshalByRefProxy)
{
EnsureComponentRegisteredWithInterface(model);
}
options.UseMarshalByRefAsBaseClass = behavior.UseMarshalByRefProxy;
#endif
options.AddAdditionalInterfaces(behavior.AdditionalInterfaces);
if (model.Implementation.GetTypeInfo().IsInterface)
{
options.OmitTarget = true;
}
}
protected virtual void CollectFromConfiguration(ComponentModel model)
{
if (model.Configuration == null)
{
return;
}
var interceptors = model.Configuration.Children["interceptors"];
if (interceptors == null)
{
return;
}
CollectInterceptors(model, interceptors);
var options = model.ObtainProxyOptions();
CollectSelector(interceptors, options);
CollectHook(interceptors, options);
}
public bool ShouldCreateProxy(ComponentModel model)
{
if (model.HasInterceptors)
{
return(true);
}
var options = model.ObtainProxyOptions(false);
if (options != null && options.RequiresProxy)
{
return(true);
}
if (selectors != null && selectors.Any(s => s.HasInterceptors(model)))
{
return(true);
}
return(false);
}
public void ProcessModel(IKernel kernel, ComponentModel model)
{
Pointcut.ApplyInterceptor(model);
var proxyOptions = model.ObtainProxyOptions();
if (proxyOptions.Selector == null)
{
proxyOptions.Selector = new InstanceReference <CoreInterceptorSelector>(new CoreInterceptorSelector(Pointcut));
}
else
{
try
{
proxyOptions.Selector = new InstanceReference <CoreInterceptorSelector>(new CoreInterceptorSelector(proxyOptions.Selector.Resolve(kernel, null), Pointcut));
}
catch (Exception e)
{
throw new Exception("can not change ProxyOptions selector for type : " + model.Name, e);
}
}
}
/// <summary>
/// Applies the synchronization support to the model.
/// </summary>
/// <param name = "model">The model.</param>
/// <param name = "kernel">The kernel.</param>
private void ApplySynchronization(ComponentModel model, IKernel kernel)
{
var options = model.ObtainProxyOptions();
model.Interceptors.Add(new InterceptorReference(typeof(SynchronizeInterceptor)));
var metaInfo = metaStore.GetMetaFor(model.Implementation);
if (metaInfo != null)
{
IInterceptorSelector userSelector = null;
if (options.Selector != null)
{
userSelector = options.Selector.Resolve(kernel, CreationContext.CreateEmpty());
}
options.Selector = new InstanceReference <IInterceptorSelector>(new SynchronizeInterceptorSelector(metaInfo, userSelector));
foreach (var reference in metaInfo.GetUniqueSynchContextReferences())
{
reference.Attach(model);
}
}
}
public override object Create(IKernel kernel, object instance, ComponentModel model,
CreationContext context, params object[] constructorArguments)
{
var channelHolder = instance as IWcfChannelHolder;
if (channelHolder == null)
{
throw new ArgumentException(string.Format("Given instance is not an {0}", typeof(IWcfChannelHolder)), "instance");
}
var isDuplex = IsDuplex(channelHolder.RealProxy);
var proxyOptions = model.ObtainProxyOptions();
var serviceContract = model.GetServiceContract();
var remainingServices = model.Services.Except(new[] { serviceContract });
var generationOptions = CreateProxyGenerationOptions(serviceContract, proxyOptions, kernel, context);
generationOptions.AddMixinInstance(channelHolder);
var additionalInterfaces = GetInterfaces(remainingServices, proxyOptions, isDuplex);
var interceptors = GetInterceptors(kernel, model, serviceContract, channelHolder, context);
return(generator.CreateInterfaceProxyWithTargetInterface(serviceContract,
additionalInterfaces, channelHolder.Channel, generationOptions, interceptors));
}
public void ProcessModel(IKernel kernel, ComponentModel model)
{
if (model.Configuration == null)
{
return;
}
var mixins = model.Configuration.Children["mixins"];
if (mixins == null)
{
return;
}
var mixinReferences = new List <ComponentReference <object> >();
foreach (var mixin in mixins.Children)
{
var value = mixin.Value;
var mixinComponent = ReferenceExpressionUtil.ExtractComponentName(value);
if (mixinComponent == null)
{
throw new Exception(
String.Format("The value for the mixin must be a reference to a component (Currently {0})", value));
}
mixinReferences.Add(new ComponentReference <object>(mixinComponent));
}
if (mixinReferences.Count == 0)
{
return;
}
var options = model.ObtainProxyOptions();
mixinReferences.ForEach(options.AddMixinReference);
}
public void BuildComponentModel(IKernel kernel, ComponentModel model)
{
var options = model.ObtainProxyOptions();
// ... do whatever you need to customise the proxy generation options
}
public void BuildComponentModel(IKernel kernel, ComponentModel model)
{
var options = model.ObtainProxyOptions();
options.Hook = hook;
}
public void BuildComponentModel(IKernel kernel, ComponentModel model)
{
var options = model.ObtainProxyOptions();
options.Selector = selector;
}
public void BuildComponentModel(IKernel kernel, ComponentModel model)
{
var options = model.ObtainProxyOptions();
options.AddAdditionalInterfaces(interfaces);
}
